Home / 70,948.79-97,909.99-39,118.82

Finding the Fourth Proportional to 70,948.79, 97,909.99 and 39,118.82

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Solution

The fourth proportional to 70,948.79, 97,909.99 and 39,118.82 is: 53,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,948.79 : 97,909.99 = 39,118.82 : x
  2. Step 2: Convert to fraction form
    70,948.79/97,909.99 = 39,118.82/x
  3. Step 3: Cross multiply
    70,948.79x = 97,909.99 × 39,118.82
  4. Step 4: Simplify right side
    70,948.79x = 3,830,123,128.18
  5. Step 5: Solve for x
    x = 3,830,123,128.18/70,948.79
  6. Step 6: Final answer
    x = 53,984.33

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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.