Home / 78,555.08-108,417.14-44,572.01

Finding the Fourth Proportional to 78,555.08, 108,417.14 and 44,572.01

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Solution

The fourth proportional to 78,555.08, 108,417.14 and 44,572.01 is: 61,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,555.08 : 108,417.14 = 44,572.01 : x
  2. Step 2: Convert to fraction form
    78,555.08/108,417.14 = 44,572.01/x
  3. Step 3: Cross multiply
    78,555.08x = 108,417.14 × 44,572.01
  4. Step 4: Simplify right side
    78,555.08x = 4,832,369,083.31
  5. Step 5: Solve for x
    x = 4,832,369,083.31/78,555.08
  6. Step 6: Final answer
    x = 61,515.68

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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.