Home / 78,357.04-117,535.56-22,953.04

Finding the Fourth Proportional to 78,357.04, 117,535.56 and 22,953.04

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Solution

The fourth proportional to 78,357.04, 117,535.56 and 22,953.04 is: 34,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,357.04 : 117,535.56 = 22,953.04 : x
  2. Step 2: Convert to fraction form
    78,357.04/117,535.56 = 22,953.04/x
  3. Step 3: Cross multiply
    78,357.04x = 117,535.56 × 22,953.04
  4. Step 4: Simplify right side
    78,357.04x = 2,697,798,410.10
  5. Step 5: Solve for x
    x = 2,697,798,410.10/78,357.04
  6. Step 6: Final answer
    x = 34,429.56

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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.