Home / 99,022.18-136,648.74-56,000.92

Finding the Fourth Proportional to 99,022.18, 136,648.74 and 56,000.92

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Solution

The fourth proportional to 99,022.18, 136,648.74 and 56,000.92 is: 77,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,022.18 : 136,648.74 = 56,000.92 : x
  2. Step 2: Convert to fraction form
    99,022.18/136,648.74 = 56,000.92/x
  3. Step 3: Cross multiply
    99,022.18x = 136,648.74 × 56,000.92
  4. Step 4: Simplify right side
    99,022.18x = 7,652,455,156.84
  5. Step 5: Solve for x
    x = 7,652,455,156.84/99,022.18
  6. Step 6: Final answer
    x = 77,280.21

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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.