Home / 99,113.17-136,783.02-56,092.87

Finding the Fourth Proportional to 99,113.17, 136,783.02 and 56,092.87

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Solution

The fourth proportional to 99,113.17, 136,783.02 and 56,092.87 is: 77,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,113.17 : 136,783.02 = 56,092.87 : x
  2. Step 2: Convert to fraction form
    99,113.17/136,783.02 = 56,092.87/x
  3. Step 3: Cross multiply
    99,113.17x = 136,783.02 × 56,092.87
  4. Step 4: Simplify right side
    99,113.17x = 7,672,552,159.07
  5. Step 5: Solve for x
    x = 7,672,552,159.07/99,113.17
  6. Step 6: Final answer
    x = 77,412.03

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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.