Home / 66,066.04-99,114.20-28,632.40

Finding the Fourth Proportional to 66,066.04, 99,114.20 and 28,632.40

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Solution

The fourth proportional to 66,066.04, 99,114.20 and 28,632.40 is: 42,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.04 : 99,114.20 = 28,632.40 : x
  2. Step 2: Convert to fraction form
    66,066.04/99,114.20 = 28,632.40/x
  3. Step 3: Cross multiply
    66,066.04x = 99,114.20 × 28,632.40
  4. Step 4: Simplify right side
    66,066.04x = 2,837,877,420.08
  5. Step 5: Solve for x
    x = 2,837,877,420.08/66,066.04
  6. Step 6: Final answer
    x = 42,955.16

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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.