Home / 81,411.95-112,250.77-70,061.93

Finding the Fourth Proportional to 81,411.95, 112,250.77 and 70,061.93

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Solution

The fourth proportional to 81,411.95, 112,250.77 and 70,061.93 is: 96,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,411.95 : 112,250.77 = 70,061.93 : x
  2. Step 2: Convert to fraction form
    81,411.95/112,250.77 = 70,061.93/x
  3. Step 3: Cross multiply
    81,411.95x = 112,250.77 × 70,061.93
  4. Step 4: Simplify right side
    81,411.95x = 7,864,505,274.72
  5. Step 5: Solve for x
    x = 7,864,505,274.72/81,411.95
  6. Step 6: Final answer
    x = 96,601.37

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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.