Home / 112,036.40-168,054.60-59,418.80

Finding the Fourth Proportional to 112,036.40, 168,054.60 and 59,418.80

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Solution

The fourth proportional to 112,036.40, 168,054.60 and 59,418.80 is: 89,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.40 : 168,054.60 = 59,418.80 : x
  2. Step 2: Convert to fraction form
    112,036.40/168,054.60 = 59,418.80/x
  3. Step 3: Cross multiply
    112,036.40x = 168,054.60 × 59,418.80
  4. Step 4: Simplify right side
    112,036.40x = 9,985,602,666.48
  5. Step 5: Solve for x
    x = 9,985,602,666.48/112,036.40
  6. Step 6: Final answer
    x = 89,128.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.