Home / 124,051.36-171,194.70-70,338.64

Finding the Fourth Proportional to 124,051.36, 171,194.70 and 70,338.64

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Solution

The fourth proportional to 124,051.36, 171,194.70 and 70,338.64 is: 97,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051.36 : 171,194.70 = 70,338.64 : x
  2. Step 2: Convert to fraction form
    124,051.36/171,194.70 = 70,338.64/x
  3. Step 3: Cross multiply
    124,051.36x = 171,194.70 × 70,338.64
  4. Step 4: Simplify right side
    124,051.36x = 12,041,602,373.21
  5. Step 5: Solve for x
    x = 12,041,602,373.21/124,051.36
  6. Step 6: Final answer
    x = 97,069.49

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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.