Home / 102,552.61-141,522.63-56,612.29

Finding the Fourth Proportional to 102,552.61, 141,522.63 and 56,612.29

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Solution

The fourth proportional to 102,552.61, 141,522.63 and 56,612.29 is: 78,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,552.61 : 141,522.63 = 56,612.29 : x
  2. Step 2: Convert to fraction form
    102,552.61/141,522.63 = 56,612.29/x
  3. Step 3: Cross multiply
    102,552.61x = 141,522.63 × 56,612.29
  4. Step 4: Simplify right side
    102,552.61x = 8,011,920,171.12
  5. Step 5: Solve for x
    x = 8,011,920,171.12/102,552.61
  6. Step 6: Final answer
    x = 78,124.98

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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.