Home / 72,167.81-99,527.04-45,312.80

Finding the Fourth Proportional to 72,167.81, 99,527.04 and 45,312.80

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Solution

The fourth proportional to 72,167.81, 99,527.04 and 45,312.80 is: 62,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167.81 : 99,527.04 = 45,312.80 : x
  2. Step 2: Convert to fraction form
    72,167.81/99,527.04 = 45,312.80/x
  3. Step 3: Cross multiply
    72,167.81x = 99,527.04 × 45,312.80
  4. Step 4: Simplify right side
    72,167.81x = 4,509,848,360.48
  5. Step 5: Solve for x
    x = 4,509,848,360.48/72,167.81
  6. Step 6: Final answer
    x = 62,491.14

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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.