Home / 90,328.64-124,653.12-52,088

Finding the Fourth Proportional to 90,328.64, 124,653.12 and 52,088

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Solution

The fourth proportional to 90,328.64, 124,653.12 and 52,088 is: 71,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,328.64 : 124,653.12 = 52,088 : x
  2. Step 2: Convert to fraction form
    90,328.64/124,653.12 = 52,088/x
  3. Step 3: Cross multiply
    90,328.64x = 124,653.12 × 52,088
  4. Step 4: Simplify right side
    90,328.64x = 6,492,931,714.56
  5. Step 5: Solve for x
    x = 6,492,931,714.56/90,328.64
  6. Step 6: Final answer
    x = 71,881.21

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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.