Home / 82,960.10-124,440.15-70,000.10

Finding the Fourth Proportional to 82,960.10, 124,440.15 and 70,000.10

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Solution

The fourth proportional to 82,960.10, 124,440.15 and 70,000.10 is: 105,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960.10 : 124,440.15 = 70,000.10 : x
  2. Step 2: Convert to fraction form
    82,960.10/124,440.15 = 70,000.10/x
  3. Step 3: Cross multiply
    82,960.10x = 124,440.15 × 70,000.10
  4. Step 4: Simplify right side
    82,960.10x = 8,710,822,944.02
  5. Step 5: Solve for x
    x = 8,710,822,944.02/82,960.10
  6. Step 6: Final answer
    x = 105,000.15

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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.