Home / 99,089.26-136,726.05-56,070.70

Finding the Fourth Proportional to 99,089.26, 136,726.05 and 56,070.70

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Solution

The fourth proportional to 99,089.26, 136,726.05 and 56,070.70 is: 77,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,089.26 : 136,726.05 = 56,070.70 : x
  2. Step 2: Convert to fraction form
    99,089.26/136,726.05 = 56,070.70/x
  3. Step 3: Cross multiply
    99,089.26x = 136,726.05 × 56,070.70
  4. Step 4: Simplify right side
    99,089.26x = 7,666,325,331.74
  5. Step 5: Solve for x
    x = 7,666,325,331.74/99,089.26
  6. Step 6: Final answer
    x = 77,367.87

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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.