Home / 91,070.51-136,572.95-38,484.09

Finding the Fourth Proportional to 91,070.51, 136,572.95 and 38,484.09

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Solution

The fourth proportional to 91,070.51, 136,572.95 and 38,484.09 is: 57,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,070.51 : 136,572.95 = 38,484.09 : x
  2. Step 2: Convert to fraction form
    91,070.51/136,572.95 = 38,484.09/x
  3. Step 3: Cross multiply
    91,070.51x = 136,572.95 × 38,484.09
  4. Step 4: Simplify right side
    91,070.51x = 5,255,885,506.95
  5. Step 5: Solve for x
    x = 5,255,885,506.95/91,070.51
  6. Step 6: Final answer
    x = 57,712.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.