Home / 61,897.18-85,460.64-41,782.24

Finding the Fourth Proportional to 61,897.18, 85,460.64 and 41,782.24

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Solution

The fourth proportional to 61,897.18, 85,460.64 and 41,782.24 is: 57,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.18 : 85,460.64 = 41,782.24 : x
  2. Step 2: Convert to fraction form
    61,897.18/85,460.64 = 41,782.24/x
  3. Step 3: Cross multiply
    61,897.18x = 85,460.64 × 41,782.24
  4. Step 4: Simplify right side
    61,897.18x = 3,570,736,971.03
  5. Step 5: Solve for x
    x = 3,570,736,971.03/61,897.18
  6. Step 6: Final answer
    x = 57,688.20

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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.