Home / 103,955.04-155,931.20-25,068.68

Finding the Fourth Proportional to 103,955.04, 155,931.20 and 25,068.68

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Solution

The fourth proportional to 103,955.04, 155,931.20 and 25,068.68 is: 37,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,955.04 : 155,931.20 = 25,068.68 : x
  2. Step 2: Convert to fraction form
    103,955.04/155,931.20 = 25,068.68/x
  3. Step 3: Cross multiply
    103,955.04x = 155,931.20 × 25,068.68
  4. Step 4: Simplify right side
    103,955.04x = 3,908,989,354.82
  5. Step 5: Solve for x
    x = 3,908,989,354.82/103,955.04
  6. Step 6: Final answer
    x = 37,602.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.