Home / 90,810.18-125,316.09-52,571.34

Finding the Fourth Proportional to 90,810.18, 125,316.09 and 52,571.34

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Solution

The fourth proportional to 90,810.18, 125,316.09 and 52,571.34 is: 72,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,810.18 : 125,316.09 = 52,571.34 : x
  2. Step 2: Convert to fraction form
    90,810.18/125,316.09 = 52,571.34/x
  3. Step 3: Cross multiply
    90,810.18x = 125,316.09 × 52,571.34
  4. Step 4: Simplify right side
    90,810.18x = 6,588,034,512.00
  5. Step 5: Solve for x
    x = 6,588,034,512.00/90,810.18
  6. Step 6: Final answer
    x = 72,547.32

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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.