Home / 124,400.82-171,666.93-70,678.74

Finding the Fourth Proportional to 124,400.82, 171,666.93 and 70,678.74

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Solution

The fourth proportional to 124,400.82, 171,666.93 and 70,678.74 is: 97,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400.82 : 171,666.93 = 70,678.74 : x
  2. Step 2: Convert to fraction form
    124,400.82/171,666.93 = 70,678.74/x
  3. Step 3: Cross multiply
    124,400.82x = 171,666.93 × 70,678.74
  4. Step 4: Simplify right side
    124,400.82x = 12,133,202,312.07
  5. Step 5: Solve for x
    x = 12,133,202,312.07/124,400.82
  6. Step 6: Final answer
    x = 97,533.14

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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.