Home / 56,282.07-77,666.00-30,783.34

Finding the Fourth Proportional to 56,282.07, 77,666.00 and 30,783.34

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Solution

The fourth proportional to 56,282.07, 77,666.00 and 30,783.34 is: 42,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,282.07 : 77,666.00 = 30,783.34 : x
  2. Step 2: Convert to fraction form
    56,282.07/77,666.00 = 30,783.34/x
  3. Step 3: Cross multiply
    56,282.07x = 77,666.00 × 30,783.34
  4. Step 4: Simplify right side
    56,282.07x = 2,390,818,536.36
  5. Step 5: Solve for x
    x = 2,390,818,536.36/56,282.07
  6. Step 6: Final answer
    x = 42,479.22

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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.