Home / 96,134.50-144,000.67-77,312.62

Finding the Fourth Proportional to 96,134.50, 144,000.67 and 77,312.62

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Solution

The fourth proportional to 96,134.50, 144,000.67 and 77,312.62 is: 115,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,134.50 : 144,000.67 = 77,312.62 : x
  2. Step 2: Convert to fraction form
    96,134.50/144,000.67 = 77,312.62/x
  3. Step 3: Cross multiply
    96,134.50x = 144,000.67 × 77,312.62
  4. Step 4: Simplify right side
    96,134.50x = 11,133,069,079.46
  5. Step 5: Solve for x
    x = 11,133,069,079.46/96,134.50
  6. Step 6: Final answer
    x = 115,807.22

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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.