Home / 99,037.46-136,669.56-56,011.28

Finding the Fourth Proportional to 99,037.46, 136,669.56 and 56,011.28

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Solution

The fourth proportional to 99,037.46, 136,669.56 and 56,011.28 is: 77,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,037.46 : 136,669.56 = 56,011.28 : x
  2. Step 2: Convert to fraction form
    99,037.46/136,669.56 = 56,011.28/x
  3. Step 3: Cross multiply
    99,037.46x = 136,669.56 × 56,011.28
  4. Step 4: Simplify right side
    99,037.46x = 7,655,036,992.64
  5. Step 5: Solve for x
    x = 7,655,036,992.64/99,037.46
  6. Step 6: Final answer
    x = 77,294.36

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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.