Home / 97,681.87-134,671.76-70,435.16

Finding the Fourth Proportional to 97,681.87, 134,671.76 and 70,435.16

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Solution

The fourth proportional to 97,681.87, 134,671.76 and 70,435.16 is: 97,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,681.87 : 134,671.76 = 70,435.16 : x
  2. Step 2: Convert to fraction form
    97,681.87/134,671.76 = 70,435.16/x
  3. Step 3: Cross multiply
    97,681.87x = 134,671.76 × 70,435.16
  4. Step 4: Simplify right side
    97,681.87x = 9,485,626,963.08
  5. Step 5: Solve for x
    x = 9,485,626,963.08/97,681.87
  6. Step 6: Final answer
    x = 97,107.34

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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.