Home / 90,730.86-125,208.63-52,495.62

Finding the Fourth Proportional to 90,730.86, 125,208.63 and 52,495.62

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Solution

The fourth proportional to 90,730.86, 125,208.63 and 52,495.62 is: 72,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730.86 : 125,208.63 = 52,495.62 : x
  2. Step 2: Convert to fraction form
    90,730.86/125,208.63 = 52,495.62/x
  3. Step 3: Cross multiply
    90,730.86x = 125,208.63 × 52,495.62
  4. Step 4: Simplify right side
    90,730.86x = 6,572,904,661.20
  5. Step 5: Solve for x
    x = 6,572,904,661.20/90,730.86
  6. Step 6: Final answer
    x = 72,443.98

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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.