Home / 99,014.91-136,638.14-56,569.83

Finding the Fourth Proportional to 99,014.91, 136,638.14 and 56,569.83

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Solution

The fourth proportional to 99,014.91, 136,638.14 and 56,569.83 is: 78,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.91 : 136,638.14 = 56,569.83 : x
  2. Step 2: Convert to fraction form
    99,014.91/136,638.14 = 56,569.83/x
  3. Step 3: Cross multiply
    99,014.91x = 136,638.14 × 56,569.83
  4. Step 4: Simplify right side
    99,014.91x = 7,729,596,068.47
  5. Step 5: Solve for x
    x = 7,729,596,068.47/99,014.91
  6. Step 6: Final answer
    x = 78,064.97

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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.