Home / 86,154.10-118,875.21-50,337.19

Finding the Fourth Proportional to 86,154.10, 118,875.21 and 50,337.19

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Solution

The fourth proportional to 86,154.10, 118,875.21 and 50,337.19 is: 69,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,154.10 : 118,875.21 = 50,337.19 : x
  2. Step 2: Convert to fraction form
    86,154.10/118,875.21 = 50,337.19/x
  3. Step 3: Cross multiply
    86,154.10x = 118,875.21 × 50,337.19
  4. Step 4: Simplify right side
    86,154.10x = 5,983,844,032.06
  5. Step 5: Solve for x
    x = 5,983,844,032.06/86,154.10
  6. Step 6: Final answer
    x = 69,455.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.