Home / 70,701.19-97,567.81-38,870.31

Finding the Fourth Proportional to 70,701.19, 97,567.81 and 38,870.31

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Solution

The fourth proportional to 70,701.19, 97,567.81 and 38,870.31 is: 53,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.19 : 97,567.81 = 38,870.31 : x
  2. Step 2: Convert to fraction form
    70,701.19/97,567.81 = 38,870.31/x
  3. Step 3: Cross multiply
    70,701.19x = 97,567.81 × 38,870.31
  4. Step 4: Simplify right side
    70,701.19x = 3,792,491,289.42
  5. Step 5: Solve for x
    x = 3,792,491,289.42/70,701.19
  6. Step 6: Final answer
    x = 53,641.13

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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.