Home / 84,127.32-116,029.80-53,915.45

Finding the Fourth Proportional to 84,127.32, 116,029.80 and 53,915.45

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Solution

The fourth proportional to 84,127.32, 116,029.80 and 53,915.45 is: 74,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,127.32 : 116,029.80 = 53,915.45 : x
  2. Step 2: Convert to fraction form
    84,127.32/116,029.80 = 53,915.45/x
  3. Step 3: Cross multiply
    84,127.32x = 116,029.80 × 53,915.45
  4. Step 4: Simplify right side
    84,127.32x = 6,255,798,300.26
  5. Step 5: Solve for x
    x = 6,255,798,300.26/84,127.32
  6. Step 6: Final answer
    x = 74,361.08

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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.