Home / 81,011.24-111,798.18-47,017.16

Finding the Fourth Proportional to 81,011.24, 111,798.18 and 47,017.16

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Solution

The fourth proportional to 81,011.24, 111,798.18 and 47,017.16 is: 64,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,011.24 : 111,798.18 = 47,017.16 : x
  2. Step 2: Convert to fraction form
    81,011.24/111,798.18 = 47,017.16/x
  3. Step 3: Cross multiply
    81,011.24x = 111,798.18 × 47,017.16
  4. Step 4: Simplify right side
    81,011.24x = 5,256,432,916.77
  5. Step 5: Solve for x
    x = 5,256,432,916.77/81,011.24
  6. Step 6: Final answer
    x = 64,885.23

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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.