Home / 99,077.16-136,726.86-53,755.46

Finding the Fourth Proportional to 99,077.16, 136,726.86 and 53,755.46

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Solution

The fourth proportional to 99,077.16, 136,726.86 and 53,755.46 is: 74,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.16 : 136,726.86 = 53,755.46 : x
  2. Step 2: Convert to fraction form
    99,077.16/136,726.86 = 53,755.46/x
  3. Step 3: Cross multiply
    99,077.16x = 136,726.86 × 53,755.46
  4. Step 4: Simplify right side
    99,077.16x = 7,349,814,570.02
  5. Step 5: Solve for x
    x = 7,349,814,570.02/99,077.16
  6. Step 6: Final answer
    x = 74,182.73

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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.