Home / 97,568.80-134,637.96-57,284.20

Finding the Fourth Proportional to 97,568.80, 134,637.96 and 57,284.20

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Solution

The fourth proportional to 97,568.80, 134,637.96 and 57,284.20 is: 79,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,568.80 : 134,637.96 = 57,284.20 : x
  2. Step 2: Convert to fraction form
    97,568.80/134,637.96 = 57,284.20/x
  3. Step 3: Cross multiply
    97,568.80x = 134,637.96 × 57,284.20
  4. Step 4: Simplify right side
    97,568.80x = 7,712,627,828.23
  5. Step 5: Solve for x
    x = 7,712,627,828.23/97,568.80
  6. Step 6: Final answer
    x = 79,048.10

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1.5x scale

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.