Home / 115,437.15-172,842.93-59,916.51

Finding the Fourth Proportional to 115,437.15, 172,842.93 and 59,916.51

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Solution

The fourth proportional to 115,437.15, 172,842.93 and 59,916.51 is: 89,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,437.15 : 172,842.93 = 59,916.51 : x
  2. Step 2: Convert to fraction form
    115,437.15/172,842.93 = 59,916.51/x
  3. Step 3: Cross multiply
    115,437.15x = 172,842.93 × 59,916.51
  4. Step 4: Simplify right side
    115,437.15x = 10,356,145,143.77
  5. Step 5: Solve for x
    x = 10,356,145,143.77/115,437.15
  6. Step 6: Final answer
    x = 89,712.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.