Home / 123,971.95-171,077.69-70,261.93

Finding the Fourth Proportional to 123,971.95, 171,077.69 and 70,261.93

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Solution

The fourth proportional to 123,971.95, 171,077.69 and 70,261.93 is: 96,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971.95 : 171,077.69 = 70,261.93 : x
  2. Step 2: Convert to fraction form
    123,971.95/171,077.69 = 70,261.93/x
  3. Step 3: Cross multiply
    123,971.95x = 171,077.69 × 70,261.93
  4. Step 4: Simplify right side
    123,971.95x = 12,020,247,823.95
  5. Step 5: Solve for x
    x = 12,020,247,823.95/123,971.95
  6. Step 6: Final answer
    x = 96,959.42

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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.