Home / 91,053.21-125,590.59-60,420.63

Finding the Fourth Proportional to 91,053.21, 125,590.59 and 60,420.63

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Solution

The fourth proportional to 91,053.21, 125,590.59 and 60,420.63 is: 83,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,053.21 : 125,590.59 = 60,420.63 : x
  2. Step 2: Convert to fraction form
    91,053.21/125,590.59 = 60,420.63/x
  3. Step 3: Cross multiply
    91,053.21x = 125,590.59 × 60,420.63
  4. Step 4: Simplify right side
    91,053.21x = 7,588,262,569.87
  5. Step 5: Solve for x
    x = 7,588,262,569.87/91,053.21
  6. Step 6: Final answer
    x = 83,338.77

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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.