Home / 71,007.04-97,990.85-39,175.93

Finding the Fourth Proportional to 71,007.04, 97,990.85 and 39,175.93

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Solution

The fourth proportional to 71,007.04, 97,990.85 and 39,175.93 is: 54,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007.04 : 97,990.85 = 39,175.93 : x
  2. Step 2: Convert to fraction form
    71,007.04/97,990.85 = 39,175.93/x
  3. Step 3: Cross multiply
    71,007.04x = 97,990.85 × 39,175.93
  4. Step 4: Simplify right side
    71,007.04x = 3,838,881,994.41
  5. Step 5: Solve for x
    x = 3,838,881,994.41/71,007.04
  6. Step 6: Final answer
    x = 54,063.40

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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.