Home / 72,526.90-100,087.41-40,693.72

Finding the Fourth Proportional to 72,526.90, 100,087.41 and 40,693.72

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Solution

The fourth proportional to 72,526.90, 100,087.41 and 40,693.72 is: 56,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.90 : 100,087.41 = 40,693.72 : x
  2. Step 2: Convert to fraction form
    72,526.90/100,087.41 = 40,693.72/x
  3. Step 3: Cross multiply
    72,526.90x = 100,087.41 × 40,693.72
  4. Step 4: Simplify right side
    72,526.90x = 4,072,929,038.07
  5. Step 5: Solve for x
    x = 4,072,929,038.07/72,526.90
  6. Step 6: Final answer
    x = 56,157.50

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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.