Home / 61,688.01-85,133.48-34,831.20

Finding the Fourth Proportional to 61,688.01, 85,133.48 and 34,831.20

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Solution

The fourth proportional to 61,688.01, 85,133.48 and 34,831.20 is: 48,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,688.01 : 85,133.48 = 34,831.20 : x
  2. Step 2: Convert to fraction form
    61,688.01/85,133.48 = 34,831.20/x
  3. Step 3: Cross multiply
    61,688.01x = 85,133.48 × 34,831.20
  4. Step 4: Simplify right side
    61,688.01x = 2,965,301,094.42
  5. Step 5: Solve for x
    x = 2,965,301,094.42/61,688.01
  6. Step 6: Final answer
    x = 48,069.33

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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.