Home / 85,077.02-127,392.57-59,981.19

Finding the Fourth Proportional to 85,077.02, 127,392.57 and 59,981.19

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Solution

The fourth proportional to 85,077.02, 127,392.57 and 59,981.19 is: 89,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.02 : 127,392.57 = 59,981.19 : x
  2. Step 2: Convert to fraction form
    85,077.02/127,392.57 = 59,981.19/x
  3. Step 3: Cross multiply
    85,077.02x = 127,392.57 × 59,981.19
  4. Step 4: Simplify right side
    85,077.02x = 7,641,157,945.76
  5. Step 5: Solve for x
    x = 7,641,157,945.76/85,077.02
  6. Step 6: Final answer
    x = 89,814.60

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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.