Home / 53,420.53-73,721.61-29,547.67

Finding the Fourth Proportional to 53,420.53, 73,721.61 and 29,547.67

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Solution

The fourth proportional to 53,420.53, 73,721.61 and 29,547.67 is: 40,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420.53 : 73,721.61 = 29,547.67 : x
  2. Step 2: Convert to fraction form
    53,420.53/73,721.61 = 29,547.67/x
  3. Step 3: Cross multiply
    53,420.53x = 73,721.61 × 29,547.67
  4. Step 4: Simplify right side
    53,420.53x = 2,178,301,804.15
  5. Step 5: Solve for x
    x = 2,178,301,804.15/53,420.53
  6. Step 6: Final answer
    x = 40,776.49

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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.