Home / 94,681.53-130,642.34-56,958.21

Finding the Fourth Proportional to 94,681.53, 130,642.34 and 56,958.21

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Solution

The fourth proportional to 94,681.53, 130,642.34 and 56,958.21 is: 78,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,681.53 : 130,642.34 = 56,958.21 : x
  2. Step 2: Convert to fraction form
    94,681.53/130,642.34 = 56,958.21/x
  3. Step 3: Cross multiply
    94,681.53x = 130,642.34 × 56,958.21
  4. Step 4: Simplify right side
    94,681.53x = 7,441,153,551.82
  5. Step 5: Solve for x
    x = 7,441,153,551.82/94,681.53
  6. Step 6: Final answer
    x = 78,591.40

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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.