Home / 64,928.20-97,392.30-57,492.40

Finding the Fourth Proportional to 64,928.20, 97,392.30 and 57,492.40

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Solution

The fourth proportional to 64,928.20, 97,392.30 and 57,492.40 is: 86,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,928.20 : 97,392.30 = 57,492.40 : x
  2. Step 2: Convert to fraction form
    64,928.20/97,392.30 = 57,492.40/x
  3. Step 3: Cross multiply
    64,928.20x = 97,392.30 × 57,492.40
  4. Step 4: Simplify right side
    64,928.20x = 5,599,317,068.52
  5. Step 5: Solve for x
    x = 5,599,317,068.52/64,928.20
  6. Step 6: Final answer
    x = 86,238.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.