Home / 113,700.38-156,907.74-62,715.32

Finding the Fourth Proportional to 113,700.38, 156,907.74 and 62,715.32

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Solution

The fourth proportional to 113,700.38, 156,907.74 and 62,715.32 is: 86,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,700.38 : 156,907.74 = 62,715.32 : x
  2. Step 2: Convert to fraction form
    113,700.38/156,907.74 = 62,715.32/x
  3. Step 3: Cross multiply
    113,700.38x = 156,907.74 × 62,715.32
  4. Step 4: Simplify right side
    113,700.38x = 9,840,519,124.58
  5. Step 5: Solve for x
    x = 9,840,519,124.58/113,700.38
  6. Step 6: Final answer
    x = 86,547.81

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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.