Home / 90,829.04-125,342.51-50,541.66

Finding the Fourth Proportional to 90,829.04, 125,342.51 and 50,541.66

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Solution

The fourth proportional to 90,829.04, 125,342.51 and 50,541.66 is: 69,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,829.04 : 125,342.51 = 50,541.66 : x
  2. Step 2: Convert to fraction form
    90,829.04/125,342.51 = 50,541.66/x
  3. Step 3: Cross multiply
    90,829.04x = 125,342.51 × 50,541.66
  4. Step 4: Simplify right side
    90,829.04x = 6,335,018,271.26
  5. Step 5: Solve for x
    x = 6,335,018,271.26/90,829.04
  6. Step 6: Final answer
    x = 69,746.62

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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.