Home / 61,089.36-91,577.65-42,378.22

Finding the Fourth Proportional to 61,089.36, 91,577.65 and 42,378.22

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Solution

The fourth proportional to 61,089.36, 91,577.65 and 42,378.22 is: 63,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,089.36 : 91,577.65 = 42,378.22 : x
  2. Step 2: Convert to fraction form
    61,089.36/91,577.65 = 42,378.22/x
  3. Step 3: Cross multiply
    61,089.36x = 91,577.65 × 42,378.22
  4. Step 4: Simplify right side
    61,089.36x = 3,880,897,798.78
  5. Step 5: Solve for x
    x = 3,880,897,798.78/61,089.36
  6. Step 6: Final answer
    x = 63,528.21

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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.