Home / 90,830.04-125,274.46-59,009.20

Finding the Fourth Proportional to 90,830.04, 125,274.46 and 59,009.20

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Solution

The fourth proportional to 90,830.04, 125,274.46 and 59,009.20 is: 81,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,830.04 : 125,274.46 = 59,009.20 : x
  2. Step 2: Convert to fraction form
    90,830.04/125,274.46 = 59,009.20/x
  3. Step 3: Cross multiply
    90,830.04x = 125,274.46 × 59,009.20
  4. Step 4: Simplify right side
    90,830.04x = 7,392,345,665.03
  5. Step 5: Solve for x
    x = 7,392,345,665.03/90,830.04
  6. Step 6: Final answer
    x = 81,386.57

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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.