Home / 99,073.24-136,702.02-56,622.76

Finding the Fourth Proportional to 99,073.24, 136,702.02 and 56,622.76

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Solution

The fourth proportional to 99,073.24, 136,702.02 and 56,622.76 is: 78,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073.24 : 136,702.02 = 56,622.76 : x
  2. Step 2: Convert to fraction form
    99,073.24/136,702.02 = 56,622.76/x
  3. Step 3: Cross multiply
    99,073.24x = 136,702.02 × 56,622.76
  4. Step 4: Simplify right side
    99,073.24x = 7,740,445,669.98
  5. Step 5: Solve for x
    x = 7,740,445,669.98/99,073.24
  6. Step 6: Final answer
    x = 78,128.52

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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.