Home / 60,225.13-90,368.54-28,670.89

Finding the Fourth Proportional to 60,225.13, 90,368.54 and 28,670.89

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Solution

The fourth proportional to 60,225.13, 90,368.54 and 28,670.89 is: 43,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,225.13 : 90,368.54 = 28,670.89 : x
  2. Step 2: Convert to fraction form
    60,225.13/90,368.54 = 28,670.89/x
  3. Step 3: Cross multiply
    60,225.13x = 90,368.54 × 28,670.89
  4. Step 4: Simplify right side
    60,225.13x = 2,590,946,326.45
  5. Step 5: Solve for x
    x = 2,590,946,326.45/60,225.13
  6. Step 6: Final answer
    x = 43,021.02

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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.