Home / 97,810.47-134,979.01-57,525.93

Finding the Fourth Proportional to 97,810.47, 134,979.01 and 57,525.93

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Solution

The fourth proportional to 97,810.47, 134,979.01 and 57,525.93 is: 79,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,810.47 : 134,979.01 = 57,525.93 : x
  2. Step 2: Convert to fraction form
    97,810.47/134,979.01 = 57,525.93/x
  3. Step 3: Cross multiply
    97,810.47x = 134,979.01 × 57,525.93
  4. Step 4: Simplify right side
    97,810.47x = 7,764,792,936.91
  5. Step 5: Solve for x
    x = 7,764,792,936.91/97,810.47
  6. Step 6: Final answer
    x = 79,386.11

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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.