Home / 90,256.32-124,586.45-52,530.57

Finding the Fourth Proportional to 90,256.32, 124,586.45 and 52,530.57

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Solution

The fourth proportional to 90,256.32, 124,586.45 and 52,530.57 is: 72,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,256.32 : 124,586.45 = 52,530.57 : x
  2. Step 2: Convert to fraction form
    90,256.32/124,586.45 = 52,530.57/x
  3. Step 3: Cross multiply
    90,256.32x = 124,586.45 × 52,530.57
  4. Step 4: Simplify right side
    90,256.32x = 6,544,596,970.12
  5. Step 5: Solve for x
    x = 6,544,596,970.12/90,256.32
  6. Step 6: Final answer
    x = 72,511.23

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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.