Home / 72,710.04-100,356.10-44,432.12

Finding the Fourth Proportional to 72,710.04, 100,356.10 and 44,432.12

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Solution

The fourth proportional to 72,710.04, 100,356.10 and 44,432.12 is: 61,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,710.04 : 100,356.10 = 44,432.12 : x
  2. Step 2: Convert to fraction form
    72,710.04/100,356.10 = 44,432.12/x
  3. Step 3: Cross multiply
    72,710.04x = 100,356.10 × 44,432.12
  4. Step 4: Simplify right side
    72,710.04x = 4,459,034,277.93
  5. Step 5: Solve for x
    x = 4,459,034,277.93/72,710.04
  6. Step 6: Final answer
    x = 61,326.25

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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.