Home / 66,271.40-91,439.52-48,376.16

Finding the Fourth Proportional to 66,271.40, 91,439.52 and 48,376.16

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Solution

The fourth proportional to 66,271.40, 91,439.52 and 48,376.16 is: 66,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.40 : 91,439.52 = 48,376.16 : x
  2. Step 2: Convert to fraction form
    66,271.40/91,439.52 = 48,376.16/x
  3. Step 3: Cross multiply
    66,271.40x = 91,439.52 × 48,376.16
  4. Step 4: Simplify right side
    66,271.40x = 4,423,492,849.84
  5. Step 5: Solve for x
    x = 4,423,492,849.84/66,271.40
  6. Step 6: Final answer
    x = 66,748.14

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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.