Home / 112,055.40-168,083.10-53,006.40

Finding the Fourth Proportional to 112,055.40, 168,083.10 and 53,006.40

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Solution

The fourth proportional to 112,055.40, 168,083.10 and 53,006.40 is: 79,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,055.40 : 168,083.10 = 53,006.40 : x
  2. Step 2: Convert to fraction form
    112,055.40/168,083.10 = 53,006.40/x
  3. Step 3: Cross multiply
    112,055.40x = 168,083.10 × 53,006.40
  4. Step 4: Simplify right side
    112,055.40x = 8,909,480,031.84
  5. Step 5: Solve for x
    x = 8,909,480,031.84/112,055.40
  6. Step 6: Final answer
    x = 79,509.60

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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.