Home / 56,072.51-77,376.15-31,547.01

Finding the Fourth Proportional to 56,072.51, 77,376.15 and 31,547.01

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Solution

The fourth proportional to 56,072.51, 77,376.15 and 31,547.01 is: 43,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,072.51 : 77,376.15 = 31,547.01 : x
  2. Step 2: Convert to fraction form
    56,072.51/77,376.15 = 31,547.01/x
  3. Step 3: Cross multiply
    56,072.51x = 77,376.15 × 31,547.01
  4. Step 4: Simplify right side
    56,072.51x = 2,440,986,177.81
  5. Step 5: Solve for x
    x = 2,440,986,177.81/56,072.51
  6. Step 6: Final answer
    x = 43,532.67

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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.