Home / 81,340.02-112,254.21-45,532.26

Finding the Fourth Proportional to 81,340.02, 112,254.21 and 45,532.26

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Solution

The fourth proportional to 81,340.02, 112,254.21 and 45,532.26 is: 62,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,340.02 : 112,254.21 = 45,532.26 : x
  2. Step 2: Convert to fraction form
    81,340.02/112,254.21 = 45,532.26/x
  3. Step 3: Cross multiply
    81,340.02x = 112,254.21 × 45,532.26
  4. Step 4: Simplify right side
    81,340.02x = 5,111,187,875.81
  5. Step 5: Solve for x
    x = 5,111,187,875.81/81,340.02
  6. Step 6: Final answer
    x = 62,837.31

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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.